Home / 345,222,298.46-518,037,750.36-127,025,868.38

Finding the Fourth Proportional to 345,222,298.46, 518,037,750.36 and 127,025,868.38

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Solution

The fourth proportional to 345,222,298.46, 518,037,750.36 and 127,025,868.38 is: 190,613,976.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,222,298.46 : 518,037,750.36 = 127,025,868.38 : x
  2. Step 2: Convert to fraction form
    345,222,298.46/518,037,750.36 = 127,025,868.38/x
  3. Step 3: Cross multiply
    345,222,298.46x = 518,037,750.36 × 127,025,868.38
  4. Step 4: Simplify right side
    345,222,298.46x = 65,804,195,093,100,656
  5. Step 5: Solve for x
    x = 65,804,195,093,100,656/345,222,298.46
  6. Step 6: Final answer
    x = 190,613,976.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.